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<div class="title">qwt_plot_zoomer.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -*- mode: C++ ; c-file-style: &quot;stroustrup&quot; -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef QWT_PLOT_ZOOMER_H</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define QWT_PLOT_ZOOMER_H</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &quot;qwt_plot_picker.h&quot;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;qstack.h&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="class_qwt_plot_zoomer.html">   77</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_plot_picker.html">QwtPlotPicker</a></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;{</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    Q_OBJECT</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a>( QWidget *, <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span> );</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a>( <span class="keywordtype">int</span> xAxis, <span class="keywordtype">int</span> yAxis,</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                            QWidget *, <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span> );</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a>();</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> setZoomBase( <span class="keywordtype">bool</span> doReplot = <span class="keyword">true</span> );</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> setZoomBase( <span class="keyword">const</span> QRectF &amp; );</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    QRectF zoomBase() <span class="keyword">const</span>;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    QRectF zoomRect() <span class="keyword">const</span>;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_picker.html#aa901c86543585c7056133a5cb6652e3d">setAxis</a>( <span class="keywordtype">int</span> xAxis, <span class="keywordtype">int</span> yAxis );</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordtype">void</span> setMaxStackDepth( <span class="keywordtype">int</span> );</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="keywordtype">int</span> maxStackDepth() <span class="keyword">const</span>;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    <span class="keyword">const</span> QStack&lt;QRectF&gt; &amp;zoomStack() <span class="keyword">const</span>;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <span class="keywordtype">void</span> setZoomStack( <span class="keyword">const</span> QStack&lt;QRectF&gt; &amp;,</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keywordtype">int</span> zoomRectIndex = -1 );</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    uint zoomRectIndex() <span class="keyword">const</span>;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="keyword">public</span> Q_SLOTS:</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="keywordtype">void</span> moveBy( <span class="keywordtype">double</span> dx, <span class="keywordtype">double</span> dy );</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> moveTo( <span class="keyword">const</span> QPointF &amp; );</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> zoom( <span class="keyword">const</span> QRectF &amp; );</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> zoom( <span class="keywordtype">int</span> offset );</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;Q_SIGNALS:</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordtype">void</span> zoomed( <span class="keyword">const</span> QRectF &amp;rect );</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> rescale();</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keyword">virtual</span> QSizeF minZoomSize() <span class="keyword">const</span>;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#ac009633e005b6290e07b902f2a58e45e">widgetMouseReleaseEvent</a>( QMouseEvent * );</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#af5bc441b2fc143363563922a3b3c70ae">widgetKeyPressEvent</a>( QKeyEvent * );</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_picker.html#a49cb19aea451e275c5d376235e5a1d83">begin</a>();</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plot_picker.html#a9fceb663542b6f9b0a358e9419406423">end</a>( <span class="keywordtype">bool</span> ok = <span class="keyword">true</span> );</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_picker.html#a916d8d4c10fe4a83d48f615298cb71f4">accept</a>( QPolygon &amp; ) <span class="keyword">const</span>;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keywordtype">void</span> init( <span class="keywordtype">bool</span> doReplot );</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    PrivateData *d_data;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;};</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="class_qwt_picker_html_af5bc441b2fc143363563922a3b3c70ae"><div class="ttname"><a href="class_qwt_picker.html#af5bc441b2fc143363563922a3b3c70ae">QwtPicker::widgetKeyPressEvent</a></div><div class="ttdeci">virtual void widgetKeyPressEvent(QKeyEvent *)</div><div class="ttdef"><b>Definition:</b> qwt_picker.cpp:1109</div></div>
<div class="ttc" id="class_qwt_plot_picker_html_aa901c86543585c7056133a5cb6652e3d"><div class="ttname"><a href="class_qwt_plot_picker.html#aa901c86543585c7056133a5cb6652e3d">QwtPlotPicker::setAxis</a></div><div class="ttdeci">virtual void setAxis(int xAxis, int yAxis)</div><div class="ttdef"><b>Definition:</b> qwt_plot_picker.cpp:162</div></div>
<div class="ttc" id="class_qwt_picker_html_a916d8d4c10fe4a83d48f615298cb71f4"><div class="ttname"><a href="class_qwt_picker.html#a916d8d4c10fe4a83d48f615298cb71f4">QwtPicker::accept</a></div><div class="ttdeci">virtual bool accept(QPolygon &amp;) const</div><div class="ttdoc">Validate and fix up the selection. </div><div class="ttdef"><b>Definition:</b> qwt_picker.cpp:1380</div></div>
<div class="ttc" id="class_qwt_plot_picker_html"><div class="ttname"><a href="class_qwt_plot_picker.html">QwtPlotPicker</a></div><div class="ttdoc">QwtPlotPicker provides selections on a plot canvas. </div><div class="ttdef"><b>Definition:</b> qwt_plot_picker.h:27</div></div>
<div class="ttc" id="class_qwt_picker_html_a49cb19aea451e275c5d376235e5a1d83"><div class="ttname"><a href="class_qwt_picker.html#a49cb19aea451e275c5d376235e5a1d83">QwtPicker::begin</a></div><div class="ttdeci">virtual void begin()</div><div class="ttdef"><b>Definition:</b> qwt_picker.cpp:1236</div></div>
<div class="ttc" id="class_qwt_picker_html_ac009633e005b6290e07b902f2a58e45e"><div class="ttname"><a href="class_qwt_picker.html#ac009633e005b6290e07b902f2a58e45e">QwtPicker::widgetMouseReleaseEvent</a></div><div class="ttdeci">virtual void widgetMouseReleaseEvent(QMouseEvent *)</div><div class="ttdef"><b>Definition:</b> qwt_picker.cpp:1052</div></div>
<div class="ttc" id="class_qwt_plot_picker_html_a9fceb663542b6f9b0a358e9419406423"><div class="ttname"><a href="class_qwt_plot_picker.html#a9fceb663542b6f9b0a358e9419406423">QwtPlotPicker::end</a></div><div class="ttdeci">virtual bool end(bool ok=true)</div><div class="ttdef"><b>Definition:</b> qwt_plot_picker.cpp:269</div></div>
<div class="ttc" id="class_qwt_plot_zoomer_html"><div class="ttname"><a href="class_qwt_plot_zoomer.html">QwtPlotZoomer</a></div><div class="ttdoc">QwtPlotZoomer provides stacked zooming for a plot widget. </div><div class="ttdef"><b>Definition:</b> qwt_plot_zoomer.h:77</div></div>
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